THE SECOND WORLD WAR ____________ IN 1939 AND ____________ IN 1945

22. - TEST U1 DEN U8 HAY CO DAP AN
TEST U1 DEN U8 HAY CO DAP AN

22. The Second World War ____________ in 1939 and ____________ in 1945.

A. begins / ends B. had begun / ended

C. has begun / had ended D. began / ended